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Solonex 300mg Tablet

10 Tablet(s) in Strip
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Solonex 300 MG Description

Solonex 300mg Tablet is used for the treatment of Tuberculosis (a bacterial infection that mainly affects lungs) inside lungs as well as tuberculosis outside lungs (bacterial infection may spread to

organs other than lungs such as the abdomen, kidney, skeletal muscles, spine, and brain). It belongs to a class of medicines called antibacterials (medicines that kill bacteria) with Isoniazid as its active ingredient. Isoniazid acts by killing bacteria that causes tuberculosis. You should take Solonex 300mg Tablet as prescribed by your doctor. The duration and dose of taking Solonex 300mg Tablet varies depending on the patient’s condition and age. Solonex 300mg Tablets may cause minor to serious side effects such as upset stomach, diarrhoea, fever, and rash. It is advised to consult your doctor before starting treatment with Solonex 300mg Tablet and get complete information on its potential side effects and benefits of Solonex. Functioning of Solonex 300mg Tablet may change or get affected negatively when taken with alcohol and certain nutritional supplements and therefore must be avoided. It may also interact and produce life-threatening side effects with certain medications used in anxiety, epilepsy, Parkinson’s, HIV, or fungal infection. Therefore it is suggested to talk to your doctor about all medications you are taking or planning to take.


Product Summary

Offer Price₹13.90
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ContainsIsoniazid(300.0 Mg)
Side effectsUpset stomach, diarrhoea, fever, eye pain, sore throat
Check more medicines with composition as Isoniazid(300.0 Mg)

Uses of Solonex 300 MG

  • Pulmonary Tuberculosis (TB) (a bacterial infection that mainly affects lungs causing coughing for three or more weeks along with fatigue and chest pain or difficulty in breathing)
  • Extra-Pulmonary Tuberculosis (Tuberculosis may also affect organs other than lungs such as stomach (abdomen), skeletal muscles, spine, lymph glands, kidney, and brain)

Contraindications of Solonex 300 MG

  • If you are allergic to Isoniazid or any of the ingredients present in the medicine.
  • If you have or had any serious liver problems.

Side effects of Solonex 300 MG

  • Most of the side effects are minor and will disappear once the body adjusts to the medicine. However, if the
  • symptoms persist or become worse, immediately consult your doctor.
  • Common side effects:
  • Upset stomach
  • Diarrhoea
  • Fever
  • Rash
  • Sore Throat
  • Eye Pain

Precautions and Warnings of Solonex 300 MG



Can I take a Solonex 300mg Tablet during pregnancy?
No, Solonex 300mg Tablet is not safe to be taken during pregnancy as it may cause problems in the newborn when taken during pregnancy. However, if you are pregnant, consult your doctor before starting any medication.

Breast Feeding

Can I take a Solonex 300mg Tablet while breastfeeding?
Avoid taking Solonex 300mg Tablet while breastfeeding as it is found to be excreted in breast milk. If you notice your child sleeping more than usual or is facing any breathing difficulty, or is not able to suckle, immediately consult your doctor.


Can I drive if I have taken Solonex 300mg Tablet?
No, it is not safe to drive when taking Solonex 300mg Tablet as it is known to cause eye pain, vision problems, and numbness or tingling sensation in the hands and feet that may affect your driving abilities.


Can I consume alcohol with the Solonex 300mg Tablet?
No, alcohol must be avoided with Solonex 300mg Tablet as it causes liver damage which can be fatal.

Other General Warnings

Talk to your doctor if
  • You drink alcohol regularly.
  • You have epilepsy (seizures) or ever had fits.
  • You have diabetes.
  • You have or ever had serious liver or kidney problems.
  • You are suffering or have suffered from mental problems such as hallucinations (seeing or hearing things that are actually not present).
  • You are malnourished (weight is below normal and have nutrition deficiencies).
  • You have an HIV infection.

Mode of Action of Solonex 300 MG

How Does It Work?

Solonex 300mg Tablet belongs to a class of medicines called antibacterials (medicines that kill bacteria) with Isoniazid as its active ingredient. Isoniazid acts by killing bacteria that causes tuberc...
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Directions for Use of Solonex 300 MG

  • Solonex 300mg Tablet must be taken as per doctor’s prescription.
  • It must be taken without food.
  • Make sure to swallow the Solonex 300mg Tablet as a whole and do not chew, crush or break it.
  • Solonex 300mg Tablet must be taken at the same time as per prescription to ensure better efficacy and benefits.

Interactions of Solonex 300 MG

Interactions with other medicines

  • Seek medical advice before taking Solonex 300mg Tablet if you are taking:
  • Other medicines to treat Tuberculosis (Rifampicin)
  • Medicines to treat fungal infections (ketoconazole)
  • Medicines to treat anxiety (diazepam)
  • Medicines to treat Parkinson’s disease (levodopa)
  • Medicines to treat epilepsy (carbamazepine, phenytoin)
  • Medicines to treat HIV (Stavudine)
  • Medicines for the treatment of alcohol addiction (disulfiram)

Interactions with food items

  • Solonex 300mg Tablet may interact adversely with:
  • Tyramine or histamine containing foods and beverages (cheese, red wine, beer, tuna fish, salmon and other tropical fish)

Storage and disposal of Solonex 300 MG

Solonex 300mg Tablets must be stored in a dry place, away from sunlight, at room temperature. It should be kept away from the reach of children. It must be disposed of in a way that it is out of r...
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Dosage of Solonex 300 MG


Symptoms of an overdose of Solonex 300mg Tablet may include nausea (feeling sick), vomiting, dizziness, speech and vision problems. If you happen to take too much of the Solonex tablet, reach out t...
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Missed a Dose

If you have missed a dose of Solonex 300mg Tablet, take it immediately when you remember it. However, you should skip a missed dose when enough time has passed and it is time for your next dose. Do...
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Content Details


Dr. Varsha Parihar

MBBS, MD (Community Medicine)

Frequently Asked Questions (FAQs)


Q: Can I give Solonex 300mg Tablets to children?

A: Solonex 300mg Tablets are not meant to be given to children under three years of age. Hence, you should not give this medicine to children.

Q: I have been taking Solonex 300mg Tablets for a week now but do not see much improvement in my condition. Should I stop taking it?

A: No, you should not stop taking Solonex 300mg Tablets suddenly without consulting your doctor as it may cause symptoms of withdrawal like headache, sleeping problems, irritation, nervousness, and uncontrollable dreams. If you stop taking Solonex 300mg Tablets before the dose duration is over, your body may develop resistance to this medicine (the medicine will become ineffective when taken in future). Hence, you should consult your doctor before stopping this medicine.

Q: What other precautions should I take while taking Solonex 300mg Tablets?

A: Solonex 300mg Tablet contains a sugar called lactose. If you are intolerant to lactose or your doctor has asked you to not consume certain sugars, consult your doctor before taking this medicine.
Product Details
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Last Updated on: 18 Feb 2022 | 09:33 AM (IST)

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The information provided herein is supplied to the best of our abilities to make it accurate and reliable as it is published after a review by a team of professionals. This information is solely intended to provide a general overview on the product and must be used for informational purposes only. You should not use the information provided herein to diagnose, prevent, or cure a health problem. Nothing contained on this page is intended to create a doctor-patient relationship, replace or be a substitute for a registered medical practitioner's medical treatment/advice or consultation. The absence of any information or warning to any medicine shall not be considered and assumed as an implied assurance. We highly recommend that you consult your registered medical practitioner for all queries or doubts related to your medical condition. You hereby agree that you shall not make any health or medical-related decision based in whole or in part on anything contained in the Site. Please click here  for detailed T&C.
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