Doxy A 100mg Capsule is an antibiotic medicine used to treat bacterial infections in your body. It is effective in some infections of the lungs, urinary tract, eyes, and others. It kills bacteria, helping to improve your symptoms and treat the infection. It may also be used for the treatment of severe acne.

Doxy A 100mg Capsule taken with food or milk to avoid gastric irritation. You should take it regularly at evenly spaced intervals as per the schedule prescribed by your doctor. Taking it at the same time every day will help you remember to take it. The dose will depend on what you are being treated for, but you should always complete a full course of Doxy A 100mg Capsule as prescribed by your doctor. Do not stop taking it until you have finished, even when you feel better. If you stop taking it early, some bacteria may survive, and the infection may come back.

Common side effects seen with this medicine include vomiting, nausea, rash, and diarrhea. These are usually temporary and subside with the completion of treatment. Consult your doctor if you find these side effects bother or worry you.

Inform your doctor if you have any previous history of allergy to any antibiotic before taking this medicine. You should also let your doctor know about all other medicines you are taking, as they may affect, or be affected by, this medicine. Pregnant or breastfeeding women should consult their doctor before taking Doxy A 100mg Capsule to make sure it is safe for them.

Uses of Doxy A Capsule

Benefits of Doxy A Capsule

In Treatment of Bacterial infections

Doxy A 100mg Capsule helps treat various bacterial infections, including respiratory, skin, and urinary infections. It can also help prevent malaria. It stops the growth of bacteria and aids in faster recovery. Take as prescribed for the best results.

In Treatment of Acne

Doxy A 100mg Capsule treats acne, commonly called pimples. It kills the acne-causing bacteria and prevents spots or pimples from appearing. It usually takes a few weeks to have a noticeable effect, so keep using it even if it appears not to be working. Sometimes acne may get worse before it gets better; however, with proper use, your skin will get clearer.

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Side effects of Doxy A Capsule

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Doxy A

Decreased appetite
Nausea
Vomiting
Diarrhea
Rash
Photosensitivity
Red spots or bumps
Hemolytic anemia

How to use Doxy A Capsule

Take this medicine in the dose and duration as advised by your doctor. Doxy A 100mg Capsule is to be taken with food.
Avoid Doxy A 100mg Capsule with dairy products such as milk, cheese, curd, butter, paneer and ice cream.

How Doxy A Capsule works

Doxy A 100mg Capsule works by stopping bacteria from producing the proteins they need to grow and spread. It attaches to a part of the bacteria (30S ribosomal subunit), preventing them from making these essential proteins. This helps your body fight the infection more effectively and speeds up recovery.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Doxy A 100mg Capsule. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

Doxy A 100mg Capsule is unsafe to use during pregnancy as there is definite evidence of risk to the developing baby. However, the doctor may rarely prescribe it in some life-threatening situations if the benefits are more than the potential risks. Please consult your doctor.

Breast feeding

UNSAFE

Doxy A 100mg Capsule is unsafe to use during breastfeeding. Data suggests that the drug may cause toxicity to the baby.

Driving

CONSULT YOUR DOCTOR

It is not known whether Doxy A 100mg Capsule alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react.

Kidney

UNSAFE

Doxy A 100mg Capsule is probably unsafe to use in patients with kidney disease and should be avoided. Please consult your doctor.

Liver

CONSULT YOUR DOCTOR

There is limited information available on the use of Doxy A 100mg Capsule in patients with liver disease. Please consult your doctor.

What if you forget to take Doxy A Capsule?

If you miss a dose of Doxy A 100mg Capsule, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.

Doxy A 100mg Capsule

₹1.45/Capsule

Minicycline Capsule

Shreya Life Sciences Pvt Ltd

₹3.4/capsule

134% costlier

Doxol Capsule

Megha Healthcare Pvt Ltd

₹3.34/capsule

130% costlier

Doxyleb 100mg Capsule

Leben Laboratories Pvt Ltd

₹1.4/capsule

3% cheaper

Nudoxy Capsule

NuLife Pharmaceuticals

₹3.27/capsule

126% costlier

Doxzee 100 Capsule

Zeelab Pharmacy Pvt Ltd

₹2.6/capsule

79% costlier

View all substitutes

Quick tips

Take Doxy A 100mg Capsule with food and plenty of water to avoid an upset stomach.
Do not skip any doses and finish the full course of treatment even if you feel better. Stopping it early may make the infection come back and harder to treat.
Diarrhea may occur as a side effect, but it should stop when your course is complete. Inform your doctor if it doesn't stop or if you find blood in your stools.
Avoid excessive sun exposure and use sunscreen and protective clothing when outdoors.

Fact Box

Chemical Class

Tetracyclines

Habit Forming

Therapeutic Class

ANTI INFECTIVES

Action Class

Bacterial Protein Synthesis Inhibitors- Tetracyclines

Interaction with drugs

Taking Doxy A with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Tretinoin (Oral Route) Life-threatening

Do not consume Tretinoin with Doxycycline. Concurrent use may cause increased pressure around the brain.

Isotretinoin (Oral Route) Severe

Do not consume Isotretinoin with Doxycycline. Concurrent use may cause a risk of increased pressure around the brain.

Cholera Vaccine (Inactivated) (Oral Route) Severe

Do not consume Cholera Vaccine (Inactivated) two weeks before and at least 10 days after consuming Doxycycline. Please consult your doctor. Doxycycline may reduce the efficacy of C... More

Acitretin (Oral Route) Severe

Do not consume Acitretin with Doxycycline. Concurrent use may cause a risk of increased pressure around the brain.

Phenindione (Oral Route) Severe

If concurrent use is essential, watch out for bleeding and consult your doctor immediately. They may monitor your treatment and adjust the doses as per the observations. Doxycyclin... More

View all drug interactions

Patient concerns

My wife frequently gets mouth ulcers, on giving medicine goes away but later comes back. What can be a permanent solution??

Dr. Tapas Kumbhkar

Internal Medicine

Tab doxy 100mg 1BD Xytee lotion local application on ulcer For 10 days

Dr.i have mouth ulcer from 3 days any medicine name plzz.

Dr. Tapas Kumbhkar

Internal Medicine

Tab doxy 100mg BD Xytee lotion local application on ulcer ( twice a day) For 10 days

User feedback

What are you using Doxy A Capsule for?

Bacterial inf*

71%

Acne

14%

Others

14%

*Bacterial infections

How much was the improvement?

Excellent

100%

What were the side-effects while using Doxy A 100mg Capsule?

No Side Effec*

100%

*No Side Effect

FAQs

Can I drink milk while taking Doxy A 100mg Capsule?

No, you should avoid taking milk and milk products while taking Doxy A 100mg Capsule. Consuming dairy products along with Doxy A 100mg Capsule can decrease its absorption from the stomach, which may lead to an inadequate effect of this medicine.

How long does Doxy A 100mg Capsule takes to work?

Usually, Doxy A 100mg Capsule starts working soon after taking it. However, it may take some days to kill all the harmful bacteria and make you feel better.

Can the use of Doxy A 100mg Capsule cause diarrhea?

Yes, the use of Doxy A 100mg Capsule can cause diarrhea. It is an antibiotic that kills the harmful bacteria. However, it also affects the helpful bacteria in your stomach and intestines and causes diarrhea. If diarrhea persists, talk to your doctor about it.

Does Doxy A 100mg Capsule works in acne?

Yes, Doxy A 100mg Capsule is one of the most commonly prescribed oral antibiotics, which is used in the treatment of acne. It reduces the number of bacteria that cause acne on the skin.

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Disclaimer:

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

References

Rosenthal PJ. Clinical Pharmacology of the Antihelmenthic Drugs. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 926.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. p. 433.
Central Drugs Standard Control Organisation (CDSCO). [Accessed 28 Mar. 2019] (online) Available from:
Doxycycline [Prescribing Information]. Mason, OH: Prasco Laboratories; 2015. [Accessed 17 Mar. 2025] (online) Available from:

Marketer details

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Address: 1, Prabhat Nagar, Jogeshwari (West), Mumbai-400102

Country of origin: India

The list of available options shown with the same composition has been prepared upon the advice of registered medical practitioners, pharmacists affiliated with TATA 1MG. TATA 1MG does not promote any pharmaceutical product of any particular company, and all recommendations are based on the medical opinion, advisories from specialist medical and pharmaceutical professionals.