For our full, in depth four page internet page Aquarium/Pond Medications page, please click on the picture below:
AQUARIUM MEDICATIONS; Part 1
Including Separate pages for:
Antibiotics/Antimicrobials, Chemical & Parasite Treatments, & Organic Treatments

Further Recommended Reading:
Fish Diseases | How to Treat Sick Fish
TRUE Aquarium UV Sterilization; How to Use a UV-C Sterilizer


Aquarium Information
-A great source for current aquarium information that is updated regularly as new research become available.

Aquarium medications, treatments, and how they work.

This site which is simply a basic first draft of my FULL "AQUARIUM MEDICATIONS, treatments, how they work" article. Please refer to that article for more information that is more current and regularly updated.

When you have fish that are sick (bacterial, fungal, protozoan, or other parasites), you want to try and isolate them in a hospital aquarium whenever possible. Regular water changes before each treatment allow for a more effective treatment, especially when treated in the display aquarium.
Sponge Filters work well in hospital aquariums. Remember to remove carbon, as carbon will remove many medications. Also note that silicone in the aquarium will absorb malachite green , methylene blue, and copper sulfate. Most corals (crushed and otherwise), and ceramic decorations will also absorb medications such as malachite green, methylene blue, and copper sulfate.

Proper "positive charged" calcium levels are important (as well as other electrolytes), as calcium also helps in healing and stress, and without proper calcium levels healing may be difficult or impossible. The addition of antibiotics (such as Tetracycline) will lower calcium absorption.
For more information about calcium, see this article: CALCIUM, MAGNESIUM, AND KH IN AQUARIUMS
"Medicated Wonder Shells" deliver medication for ich and fungus treatment and control kH (Calcium) levels.

One more note as to the use of medications to treat aquatic diseases; Make sure all your water parameters are where they should be, if for example your ammonia levels are high, all the medication in the world will not help, in fact they will only exasperate the problem.



Before ANY treatment, check these parameters and ask yourself these questions:

*Ammonia; this should be 0, if not this should be corrected by water changes, ammonia de-toxifiers such as Prime (removes chlorine, chloramines, ammonia, nitrite) , improving bio filtration (the best long term solution).

*Nitrites; this also should be 0

*Nitrates; this should be under 40-50 ppm for most fish, under 15 ppm for reef tanks

*kH, Calcium, and electrolytes; for many fish this should be 80 ppm, for goldfish higher, for African Cichlids, Marine much higher (240 ppm +).
For more see this article: How to maintain a Proper KH, why calcium and electrolytes are important.
Also see these articles:
Do Fish Drink
Salt in Freshwater Aquarium

*pH; often aquarists worry too much here (a steady KH maintains a stable pH), but if you have fish such as African Cichlids that like a pH above 8.0 (or more depending on species) and your pH is 6.8, you have a problem.

*Temperature; is your aquarium the proper temperature?

*Filtration; do you have adequate filtration for your size aquarium and bio load? Is it working?

PLEASE NOTE, this is a basic Medications article.
If you need expanded information about any of these medications or ones that are not even in this article, please see my expanded article:
AQUARIUM MEDICATIONS, Treatments, How they work, and Which Ones to Use and Not to Use



TRIPLE SULFA (Sulfamerazine, Sulfamethazine, Sulfathiazole):

Sulfas are all antibacterials. These drugs produce are bacteriostatic, meaning they inhibit the growth of the bacteria but do not kill them.
Sulfa drugs arrest cell growth by inhibiting the synthesis of folic acid, a component required for growth by bacteria. Folic acid is a large molecule and is unable to enter bacterial cells, so the bacteria must synthesize the compound intracellularly. Animal cells are unable to synthesize folic acid and it must be provided in the diet. For this reason sulfa drugs are not toxic to animal cells.

USE: A broad spectrum antibacterial medication, fin and tail rot, mouth fungus and collapsed fins, columnaris, and hemorrhagic septicemia. Also useful for damaged fins caused by fin nipping. An old standby that is still useful and can be used in combination with Malachite Green or Acriflavin (do not combine with copper sulfate). Sulfas are more effective at higher pH levels.
DOSAGE: 250 mg per 10 gallons every 24 hours with a 25% water change before each treatment. Treat for a minimum of 10 days.


TETRACYCLINE HYDROCHLORIDE:

USE: Treatment of bacterial infections mostly gram-positive and some gram-negative infections such as fin and tail rot (split, ragged and deteriorating fin and/or tail), Popeye (protruding eyes, may be cloudy or hazy), gill disease (swollen, discolored gills, gasping for air and a decrease in activity) and secondary infections. It interferes with the production of proteins that the bacteria need to multiply and divide (bacteriostatic). Tetracycline Hydrochloride mode of action is as a protein synthesis inhibitor via an aminoacyl-tRNA binding mechanism to the 30S subunit. Mode of resistance is the loss of cell wall permeability. Note, Tetracycline can lower red blood cell count, because of this I would not use with injured fish.

DOSAGE: 250- 500 mg per 20 gallons of water. Every 24 hours with a 25% water change before each treatment. This product will not work in water with a ph above 7.5- NOT FOR MARINE USE!


QUININE SUFATE:

USE: Resistant strains of Ich (especially on scale less fish). Protozoan, sliminess of the skin and Rams disease (whirling disease). Also good for resistant strains of Hexamita when combined with Metronidazole.
DOSAGE : 250 mg per 10 gallons of water. Once a day for 4-5 days. Do a 25% water change before each treatment.


OXYTETRACYCLINE HYDROCHLORIDE:

USE: Gram-positive and gram-negative bacteria. Marine ulcer disease, cold water disease, bacterial hemorrhagic septicemia (Symptoms: Red streaks in body and fins, or redness in the body. Open sores or loss of scales) and mouth fungus.

DOSAGE: 250- 500 mg teaspoon per 20 gallons every 24 hours with a 50% water change before each treatment. This antibiotic is best used mixed in with food, especially if your ph is above 8.0..


NITROFURAZONE:

USE: Bactericidal for some gram-positive and many gram-negative bacteria causing disease in fresh water and marine fishes. This antibacterial is effective for control of flexibacter/columnaris- (Symptoms: Fuzzy, thin, white coating on the body and fins. Looks like a fungus) -works well with Kanamycin for this, Aeromonas (Symptoms: fish have blisters forming on the skin that are full of a clear to yellowish fluid. The blisters may turn into large sores.), Vibrio and related species. Nitrofurazone is particularly useful for control of minor topical skin infections of marine fishes that have not become systemic. Effective against marine ulcer disease and protozoan. Also useful in treating furunculosis found in Koi.
Serious adverse events related to nitrofurans are very rare. Acquired resistance of bacteria to nitrofurans during therapy has been rare and has not appeared on a significant scale in over 50 years of use. Do not use in the presence of invertebrates.
Nitrofurazone is more effective at lower pH levels.

DOSAGE: 250- 500 mg per 20 gallons. Treat every 24 hours with a 50% water change before each treatment. Treat for 10 days.

FOR MORE INFORMATION ABOUT COLUMNARIS (FLEXIBACTER)


NEOMYCIN SULFATE:

USE: Some Gram-negative bacteria (Some Pseudomonas- Open red sores or ulcerations, fin and tail damage, fins and tail are eaten away, in severe cases, down to the body- treat with Kanamycin for this); gram-positive, and possibly mycobacterium tuberculosis. Works well in freshwater or saltwater aquariums.

Neomycin is not absorbed by the intestinal tract and IS effective in treatment of diseases thereof. But Neomycin can damage the kidneys as it is nephrotoxic, so this is a poor treatment choice for Dropsy or similar diseases.

DOSAGE: 250 mg per 10 gallons of water. Treat every 24 hours with a 25% water change before each treatment. Treat for 10 days. For tuberculosis, use for up to 30 days.

Neomycin is an excellent choice when soaked in foods for 15 minutes for intestinal diseases such as internal Aeromonas infections. HOWEVER Neomycin is a poor choice for Columnaris and Fungal Infections, despite some misinformed anecdotal internet information to the contrary.
See: Aquarium Medications; Neomycin


METRONIDAZOLE:

USE: Hole in the head disease (hexamita), chilodonella, plistophora (parasite disease usually seen in neons and cardinals that causes loss of color, darting, and eventually death), salt water ich (Cryptocaryon), bloat.

DOSAGE: 250-500 mg per 20 gallons. Treat every 24 hours with a 25% water change before each treatment. Treat for 10 days.


KANAMYCIN SULFATE;

USE: It is used to treat many sensitive gram–negative and some gram–positive bacteria. Works especially well in salt water aquariums. Works well combined with Nitrofurazone for flexibacter (columnaris) (Symptoms: Fuzzy, thin, white coating on the body and fins. Looks like a fungus). Also useful for Pseudomonas-Open red sores or ulcerations, fin and tail damage, fins and tail are eaten away, in severe cases, down to the body. Kanamycin is very effective in high pH applications, especially Vibrio, making it useful for brackish and marine treatments.
Kanamycin can be effective for whirling disease , suspected kidney disease and dropsy.
Kanamycin sulfate appears to prevent bacteria from making their cell walls, so the cells die.
DOSAGE: 250-500 mg per 20 gallons. Treat every 48 hours with a 25% water change before each treatment. Treat for 10 days.

FOR MORE INFORMATION ABOUT IDENTIFICATION AND TREATMENT OF AEROMONAS, VIBRIO, & SEPTICEMIA



ERYTHROMYCIN:

USE: Fin and tail rot, infections attributed to kidney disease (often not true kidney infections), pop eye. Most gram-positive and some gram negative bacteria and fungus. Neon Tetra disease (faded color). Black Molly disease.
DOSAGE: 250- 500 mg per 20 gallons every 24 hours with a 25% water change before each treatment. Treat for 10 days.

TRICHLORFON (Dylox)
Dimethyl (2,2,2,Trichloro-1-Hydroxyethyl) Phosphonate:

Trichlorfon is an Organophosphate and degrades rapidly (approximately 99% of applied degraded in 2 hours) in alkaline pond water (pH 8.5) at room temperature. But remains stable in the same pond water held under acidic (pH 5.0) conditions for 2 hours.
Trichlorfon is very highly toxic to invertebrates.
DO NOT USE ON FISH THAT ARE CHEMICALLY SENSITIVE such as: Silver Dollars, Rays, Bala Sharks, Arowanas, Tinfoil Barbs, Hemiodus, Piranha, Most Silver Scaled Fish, Marine sharks, Lion Fish.
See methylene blue if Dylox treatment is not available or viable

USE: Trichlorfon is useful for treatment of: Hydra, Lernia (Anchor Worms), Parasitic Copepods, Monodigenetic and Digenetic Flukes, Fish Lice (Argulus), Leeches
CLOUT contains Trichlorfon (Dimethyl (2,2,2,Trichloro-1-Hydroxyethyl) Phosphonate), as well as; 4-[P-(dimethylamino)-O-phenylbenzylidene]-2, 5-cyclohexadien-1-xylidene dimethylammonium chloride, 1,2,dimethyl-5-nitroimidazole
DOSAGE: There is no recommended dosage (other than Freshwater fish acute toxicity= 1.6-180 ppm), refer to manufacturers directions for all products containing Trichlorfon.


PENICLLIN, AMPICILLAN;

USE: Belonging to the group of beta-lactam antibiotics, ampicillin is able to penetrate Gram-positive and some Gram-negative bacteria.
Even though this a commonly used antibiotic family in humans and other warm blooded animals, this is a family of antibiotics that has shown to be generally useless in fish. About the only effectiveness comes in the treatment of some fungal eye infections. All medications, antimicrobials, antibiotics, chemotherapeutics work differently in differently in different organisms, even if the processes are similar. An example I often use is for Quinine Sulfate; this is a generally safe and effective treatment for fish, but not at all for invertebrates.



ISONIAZID 300 mg:

USE: Treatment for tuberculosis (Symptoms: the fish have been sick for several months. The fish is lethargic, anorexic, has fin or scale loss and a sunken stomach) in susceptible fish such as Discus. Can be combined with Kanamycin.
This is a difficult disease to treat (in fact nearly impossible), as treatment can go on for more than a month.
Also note that this is caused by a very similar bacterium in human TB, but is not the same, and the only danger to humans is to a open wound exposed to the bacterium, which then only causes a localized rash.

DOSAGE: 1 tablet per 20 gallons, every other day for 14- 30 days


METHYLENE BLUE (Zinc Free) 2.303% :

USE: Fungus on eggs, Ich, fungus and some bacteria. Effective in gill disease. Transports oxygen. Some protozoa, sliminess of the skin and oodinium. Great for use as a 30 minute dip at double dose.
Great when used as a dip for topical treatment of parasites, bacterial, and fungal infections. When dylox is not available, this can a useful treatment for anchor worm (especially in goldfish); first carefully remove the anchor worm with tweezers, then dip the affected fish in Methylene blue. When used with a UV sterilizer to kill the swimming stage of the female anchor worm (the female is the parasite), this can be an effective treatment. (Tank can also be treated with Malachite green or malachite green combination during this time for improved effectiveness).
Also useful as a dip for ammonia and nitrite poisoning.

DOSAGE: 1 teaspoon of a 2.303% solution per 10 gallons every other day for 10 days with water changes before each treatment. BEST USED IN A HOSPITAL TANK. Methylene blue can destroy nitrifying bacteria and plants in the display aquarium.


ACRIFLAVIN HYDROCHLORIDE 3.84% solution:
USE: An antiseptic agent for the skin and mucous membranes. It is known to inhibit mitochondriogenesis. Generally used treatment of mild bacterial and fungal infections such as mouth fungus, fin and tail rot, fungus, saproglenia; skin parasites such as oodinium (velvet), sliminess of skin, and ich (although a very mild treatment for ich, FW or SW)
DOSAGE: 1 teaspoon of a 3.84% solution per 10 gallons every other day for 10 days. Combines well with copper sulfate and malachite green.


MALACHITE GREEN;

USE: For treatment and control of various external parasites of freshwater and marine fishes. When used as directed the medication will control or prevent the following common protozoan parasites:
*Ichthyophthinus (freshwater Ich) exhibited as fine “salt like” white spots that usually first appear on the fins.
*Costia (Ichthyobodo). Not to be confused with ich, is a parasite that can live dormant on healthy fish (primarily their gills), then under certain conditions (poor water conditions, stress, ECT), reproduce rapidly. Symptoms of an outbreak include Heavy and labored “breathing” flashing and rubbing, skin cloudiness caused by excess mucus.
*Chilodonella, *Ambiphyra, *Cryptocaryon (marine Ich), *Epistylis, *Oodinium and Trichodina, *Plistophora (best combined with formalin at 1/2 strength)
Malachite Green is also effective against common external fungal infections of fishes and eggs which include Achlya and Saprolegnia.
DOSAGE: 1 teaspoon of a 0.038% solution per 10 gallons every other day for 10-14 days. Or 1 drop of .50% solution per gallon every other day for 10- 14 days. 25% water changes are recommended before each dose. Use half dose for scale-less and delicate fish such as Clown Loaches and Neon Tetras. Double dose for marine aquariums.
Note; malachite green is more toxic at higher ph.
Can be combined with Formalin or Acriflavin.

Two excellent products with malachite green are:
ParaGuard and Quick Cure

FOR MORE INFORMATION ABOUT AQUARIUM ICH


FORMALIN (3% formaldehyde):

USE: For treatment and control of the diseases caused by fungi, protozoan and monogenetic trematodes of freshwater and marine aquarium fishes. Formalin will control or help prevent diseases of fishes caused by the following disease organisms: *Ichthyophthirius (freshwater "ich"), *Costia (Ichthyobodo), *Chilodonella, *Ambiphyra, *Cryptocaryon (marine "ich"), *Epistylis, *Oodinium, *Amyloodinium, and *Trichodina.

DOSAGE: 1 teaspoon of a 3% solution per 10 gallons every other day for 10 days. Combines well with malachite green.
Formalin can deplete oxygen in an aquarium, so consider adding an air stone or a power head with an air diffuser.

An a excellent product with formalin and malachite green is


COPPER SULFATE (& Other Copper Products):

USE: For treatment freshwater and marine ich, Oodinium, external parasites, fungus and even algae. Very effective when used properly and carefully.

DOSAGE: Treat according to your solution to bring your copper level to .15 -.25 ppm.

Sequestered Copper (often called chelated, but that is incorrect, chelated means inactivated) sulfate works best (citric acid help achieve this). Soluble copper salts work well in freshwater only. Do use with snails and other invertebrates, do not use in reef aquariums, and note; when uses as an algaecide, the copper is absorbed by the algae then released when it dies. Removal of sequestered copper can be difficult, only EDTA (Ethylene Diamine Tetra Acidic Acid) and water changes remove it, NOT carbon.
The advantage of this stabilized form of copper is generally only one treatment is necessary.
Mardel Copper Safe is a good example of this type of copper treatment

Ionic Copper as in SeaChem Cupramine is the safest copper formula and the easiest to extract from an aquarium once treatment is finished

For an effective treatment for ich, fungus, and especially Velvet, Medicated Wonder Shells are extremely for Velvet in particular as they have three of the most effective ingredients for the treatment of Velvet; Copper Sulfate, Acriflavin, & Methylene Blue. They also add electrolytes and calcium, essential for proper healing.


ORGANIC MEDICATIONS:
There are three organic or “homeopathic” treatments that I have used;

PIMENTA EXTRACT (PIMAFIX);

USE: Pimenta extract is effective for a broad range of bacterial and fungal diseases that typically afflict fish and other aquatic animals. Fish diseases that may be treated in accordance with this include bacterial fish diseases, such as fin and tail rot, mouth fungus (often caused by the bacterium Flavobacterium columnaris); fungal fish diseases (such as those caused by microorganisms of the genera Saprolegnia and Achyle) and the like.
Pimenta Extract has shown to be more effective against gram negative bacterial infections which are more common in aquatic infections. This generally makes Pimafix a better choice over Melafix, although they can be combined.

DOSAGE: Refer to Pimafix instructions

USNEA LICHEN;

USE; Usnea is a lichen of the family Parmeliaceae that grows in damp temperate woodlands.
I have found it effective for bacterial (gram positive and gram negative), fungal and even parasites such ich. This remedy is still in the testing phase, but early results are promising. The Usnea Lichen is proving to be the most effective natural remedy early in my testing
This lichen is boiled like a tea then added to the aquarium.

DOSAGE: None established yet. I boil one small sprig in 6 oz. of water and add this to every 10-20 gallons of water every day until cure is effective +2 days

FOR MUCH MORE UP TO DATE INFORMATION ABOUT USNEA (which has shown promise in lab and aquatics test for Lymphocystis, Mycobacterium tuberculosis, and some parasites), as well as where to obtain Usnea, please click below:
AQUARIUM MEDICATIONS; USNEA


MELALUCA TEA (MELAFIX):

USE: Repairs damaged fins, ulcers, and open wounds.
Promotes re growth of damaged tissue and fins.
Basically Melafix should be used as you would an antiseptic such as Bactine in humans; as a topical first aid treatment, NOT for serious infections!
See: Aquarium Medications #4 for more about Melafix.

Melaluca tends to be more effective against gram positive bacteria, which are less common in aquatic diseases, making Melafix a lesser choice to Pimafix which is more effective against gram negative bacteria (however they can be combined)

DOSAGE: Refer to Melafix instructions


This is just a VERY basic first draft of my MUCH more in depth and more updated Aquatic Medications and Treatments article!

For much more information about aquarium medication (more antibiotics), please visit this article: AQUARIUM MEDICATIONS; How they work, and which ones to use and not to use. Also Bacteria gram negative and positive facts
This article has more medications and more about each one, including:
TRIPLE SULFA,
TETRACYCLINE HYDROCHLORIDE,
MINOCYCLINE,
QUININE SUFATE,
OXYTETRACYCLINE HYDROCHLORIDE,
NITROFURAZONE,
NEOMYCIN SULFATE,
METRONIDAZOLE,
KANAMYCIN SULFATE,
ERYTHROMYCIN,
TRICHLORFON,
INTERNAL PARASITE MEDICATIONS; Piperazine, Praziquantel, and Levamisol
ISONIAZID,
PENICILLIN, AMPICILLAN,
NALADIXIC ACID,
METHYLENE BLUE,
MEBROMIN,
ACRIFLAVIN HYDROCHLORIDE,
MALACHITE GREEN,
FORMALIN,
COPPER SULFATE,
PIMENTA EXTRACT,
MELALUCA TEA,
USNEA LICHEN (Usnic Acid)

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7 Comments:

Blogger fish man said...

Great, just checking your blogs this afternoon (to get out of the heat) and found this gem. You must of just made it.
Great work!

Fish Man

3:04 PM  
Blogger seanyuki said...

Execellent article regarding aquarium medication and would love to share this in a fish forum with your permission.


cheers
Francis

2:28 PM  
Blogger Lisa said...

Hi,
I am The assistant editor with tuberculosis.net. I really liked your site and I am interested in building a relationship with your site. We want to spread public awareness. I hope you can help me out. Your site is a very useful resource.

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9:02 AM  
Blogger Fish Portal said...

We keep your fish website to our fish information website database.

Regards.
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3:04 PM  
Blogger aldrin james said...

Having an aquarium is having another responsibility. You need to take care of it and make sure that all organisms inside are in good condition. Medications and treatments are necessary if anything happen.

Oceanic Fish Tanks San Antonio TX

6:37 AM  
Blogger Molly said...

I didn't see referenced anywhere, can a malachite green/formalin mix be combined with praziquantel? Example: microbelift BSDT with Aqua Parzi.

6:36 AM  
Blogger Donica Tibbetts said...

Organic is not the same as "Homeopathic".
Organic means not chemically treated ingredients.

Homeopathy is a certain type of medicine discovered by Samuel Hahnneman in the 1800's where a substance is "potentized" and diluted to become extremely tiny, yet powerful. The idea being each substance, with the smallest dose, cures the same symptoms it produces in large harmful doses. "Like cures like".

your website keeps popping up when i search for fish tanks and homeopathy and it upsets me every time. you're mislabeling your information.

3:08 PM  

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