Ambistryn-S 1gm Injection is an antibiotic used in the treatment of tuberculosis, in combination with other medicines. It works by stopping the growth of tubercular bacteria. Rarely, it may also be used to treat some other types of infections. Ambistryn-S 1gm Injection is given as an injection directly into a muscle under the supervision of a healthcare professional. It should be used regularly as prescribed by your doctor. Do not skip any doses and finish the full course of treatment even if you feel better. Stopping the medicine too early may lead to the infection returning or worsening. This medicine may cause a skin rash, vomiting, fever, and vertigo as side effects. Therefore, please follow all the instructions given by your doctor while using this medicine. Your doctor may monitor you with regular kidney function tests, hearing tests, and urine tests during treatment. Consult your doctor if your condition does not improve or if any of the side effects bother you. Use caution while driving or doing anything that requires concentration as this medicine may cause dizziness. It is not recommended for use during pregnancy. Inform your doctor if you are pregnant, planning to conceive, or breastfeeding.