Fish Doxy Doxycycline 100mg Fish Antibiotic – 30 & 60 Capsules

Fish Doxy Doxycycline 100mg is a powerful, broad-spectrum fish antibiotic formulated to fight serious bacterial infections in freshwater and saltwater aquarium fish. Each capsule delivers 100mg of doxycycline, a tetracycline-class antibiotic with extensive activity against susceptible gram-positive and gram-negative bacteria.

Fish Doxy is commonly used to treat fin rot, tail rot, columnaris, bacterial gill disease, mouth rot, septicemia, infected wounds, skin ulcers and other systemic or external bacterial infections affecting ornamental aquarium fish.

Doxycycline works by blocking the production of proteins that susceptible bacteria require to grow and multiply. By stopping bacterial reproduction, Fish Doxy helps control the infection and allows the fish’s natural defenses to overcome the remaining bacteria.

What Does Fish Doxy Treat?

Fish Doxy is designed to treat bacterial diseases caused by organisms susceptible to doxycycline. Its broad antibacterial coverage makes it a powerful choice when fish display signs of an external or internal bacterial infection.

• Fin rot and tail rot
• Columnaris and cotton-mouth disease
• Bacterial gill disease
• Bacterial septicemia
• Mouth rot and bacterial mouth infections
• Open sores and bacterial skin ulcers
• Red streaks, lesions and inflamed tissue
• Infected wounds, cuts and damaged fins
• Popeye associated with bacterial infection
• Internal and systemic bacterial infections
• Secondary bacterial infections following injury or stress

Common Signs of a Bacterial Fish Infection

Bacterial infections can spread rapidly through weakened fish and may become fatal when treatment is delayed. Fish Doxy may be appropriate when fish show symptoms consistent with a susceptible bacterial disease, including:

• Frayed, deteriorating or discolored fins
• White, gray or inflamed patches on the skin
• Red streaks or hemorrhaging beneath the skin
• Open sores, lesions or ulcerated tissue
• White or damaged tissue around the mouth
• Swollen, cloudy or protruding eyes
• Pale, inflamed or damaged gills
• Rapid breathing or gasping near the surface
• Abdominal swelling or unusual bloating
• Loss of appetite, lethargy or isolation
• Erratic swimming or remaining near the aquarium floor

Powerful Doxycycline Antibiotic for Aquarium Fish

Doxycycline is a broad-spectrum antibiotic belonging to the tetracycline family. It penetrates bacterial cells and binds to the bacterial ribosome, preventing the production of proteins needed for bacterial growth and reproduction.

This powerful antibacterial action gives Fish Doxy extensive coverage against many susceptible bacteria responsible for infections of the fins, tail, mouth, skin, gills, bloodstream and internal organs.

Because doxycycline reaches both external and internal tissues, Fish Doxy is a strong option for localized infections as well as more widespread bacterial diseases such as septicemia.

Why Fish Doxy Is a Powerful Fish Antibiotic

• Contains 100mg of doxycycline per capsule
• Provides powerful broad-spectrum antibacterial coverage
• Targets susceptible gram-positive and gram-negative bacteria
• Fights both external and internal bacterial infections
• Treats fin rot, tail rot, columnaris and mouth rot
• Helps control bacterial gill disease and septicemia
• Useful for infected wounds, ulcers, sores and lesions
• Convenient capsules provide a consistent measured strength
• Suitable for ornamental freshwater and saltwater fish
• Available in practical 30-capsule and 60-capsule bottles

Available Fish Doxy Sizes

Fish Doxy 100mg – 30 Capsules

Fish Doxy 100mg with 30 capsules provides a convenient supply of doxycycline for aquarium owners who need a compact treatment package. Every capsule contains a consistent 100mg strength.

Fish Doxy 100mg – 60 Capsules

Fish Doxy 100mg with 60 capsules provides a larger supply for multiple treatment requirements, extended aquarium-care needs or fish keepers maintaining several aquariums.

Fish Doxy for Fin Rot and Tail Rot

Fin rot and tail rot are bacterial conditions that cause the fins to become frayed, discolored, inflamed and progressively shorter. Without treatment, the infection may advance toward the body and permanently damage healthy tissue.

When caused by bacteria susceptible to doxycycline, Fish Doxy stops bacterial reproduction and helps control the infection responsible for the continuing destruction of the fins and tail.

Fish Doxy for Columnaris and Mouth Rot

Columnaris is a potentially aggressive bacterial disease that can attack the mouth, skin, fins and gills. Signs may include white or gray patches, cotton-like growth around the mouth, saddle-shaped lesions, deteriorating fins and rapid breathing.

Fish Doxy provides broad antibacterial activity against susceptible bacteria involved in columnaris and bacterial mouth rot. Treatment should begin promptly because advanced infections can spread rapidly through the fish’s tissues.

Fish Doxy for Bacterial Septicemia

Bacterial septicemia is a serious systemic infection that can spread through the bloodstream and internal organs. Visible signs may include red streaks, hemorrhaging, abdominal swelling, skin lesions, lethargy and loss of appetite.

Doxycycline’s ability to act against susceptible bacteria throughout the body makes Fish Doxy a strong antibiotic option for bacterial infections that have progressed beyond a localized wound or damaged fin.

Fish Doxy for Bacterial Gill Disease

Bacterial gill disease can damage delicate gill tissue and interfere with the fish’s ability to absorb oxygen. Affected fish may breathe rapidly, remain near the water surface, rub against objects or develop pale and inflamed gills.

Fish Doxy targets susceptible bacteria involved in gill infections. Strong aeration and excellent water quality are especially important when treating fish experiencing respiratory distress.

Freshwater and Saltwater Fish Antibiotic

Fish Doxy is suitable for susceptible bacterial infections affecting ornamental fish maintained in freshwater and saltwater aquariums. It may be used in bacterial treatment programs for tropical fish, bettas, goldfish, koi, cichlids and marine ornamental fish.

Whenever practical, isolate infected fish in a dedicated hospital or quarantine aquarium. A separate treatment tank allows closer observation, controlled medication use and better protection for healthy aquarium inhabitants.

Important Treatment Information

Confirm that the condition is bacterial before beginning treatment. Doxycycline treats susceptible bacterial infections; it does not eliminate parasites, viruses or true fungal diseases.

Follow the directions supplied with the product. Remove activated carbon, chemical filtration and UV sterilization when directed because these systems may reduce the medication’s effectiveness. Maintain strong aeration and monitor ammonia, nitrite, pH and the overall condition of the fish throughout treatment.

Complete the recommended antibiotic course even when symptoms begin improving. Ending treatment too early may allow surviving bacteria to multiply and cause the infection to return.

Product Details

• Product name: Fish Doxy
• Active ingredient: Doxycycline
• Medication class: Tetracycline antibiotic
• Product type: Broad-spectrum fish antibiotic
• Strength: 100mg per capsule
• Available quantities: 30 and 60 capsules
• Dosage form: Capsules
• Target: Susceptible bacterial infections
• Aquarium type: Freshwater and saltwater
• Intended use: Ornamental aquarium fish

Storage

Store Fish Doxy in its original, tightly closed container in a cool, dry location. Protect the capsules from moisture, excessive heat and direct sunlight. Keep out of reach of children and animals.

Frequently Asked Questions

Is Fish Doxy an antibiotic?

Yes. Fish Doxy contains doxycycline, a broad-spectrum tetracycline antibiotic used to fight susceptible bacterial infections in ornamental aquarium fish.

What infections does Fish Doxy treat?

Fish Doxy is commonly used for bacterial conditions including fin rot, tail rot, columnaris, mouth rot, bacterial gill disease, septicemia, skin ulcers, infected wounds and other infections caused by bacteria susceptible to doxycycline.

What is the active ingredient in Fish Doxy?

Each Fish Doxy capsule contains 100mg of doxycycline.

Can Fish Doxy treat fin rot and tail rot?

Fish Doxy may treat fin and tail rot caused by bacteria susceptible to doxycycline. Water quality, stress and the underlying source of the fin damage should also be corrected.

Can Fish Doxy treat columnaris?

Fish Doxy may be used to control columnaris caused by susceptible bacteria. Early treatment is important because columnaris can progress rapidly and affect the skin, mouth and gills.

Can Fish Doxy treat bacterial septicemia?

Fish Doxy is commonly used against susceptible bacteria associated with septicemia and other systemic infections. Septicemia is serious and should be addressed promptly.

Can Fish Doxy be used for freshwater fish?

Yes. Fish Doxy can be used in treatment programs for susceptible bacterial infections affecting ornamental freshwater fish.

Can Fish Doxy be used for saltwater fish?

Fish Doxy may also be used for susceptible bacterial infections in ornamental saltwater fish when used according to the supplied directions.

Does Fish Doxy treat parasites or fungal infections?

No. Doxycycline is an antibacterial medication. It does not eliminate parasites, viruses or true fungal infections.

What sizes are available?

Fish Doxy is available in 100mg capsules with either 30 or 60 capsules per bottle.

For ornamental fish use only. Not for human use or for fish intended for human consumption.