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TB Treatment Side Effects: What Is Common, What Is Serious

Written from official TB programme sources Updated 16 Oct 2026 3 min read

Most people finish TB treatment without serious problems. Some side effects are harmless, some can be managed with your provider’s help, and a few need a doctor at once.

हिंदी में सार

टीबी की दवा से पेशाब, पसीना या आँसू नारंगी हो सकते हैं, यह हानिकारक नहीं है। पेट खराब, जोड़ों में दर्द या हल्की खुजली हो तो अपने डॉट्स प्रोवाइडर को बताएँ। आँखें या त्वचा पीली होना, नज़र धुंधली होना, बार-बार तेज़ उल्टी या दाने हों तो तुरंत स्वास्थ्य केंद्र जाएँ। दवा अपने आप बंद न करें।

Never stop or change TB medicines on your own

Do not stop, skip or change your TB medicines without talking to your doctor or DOTS provider, even if you feel better. Stopping early can bring TB back and can make it drug-resistant.

Contact your health facility at once if you have:

  • yellow eyes or yellow skin, or dark urine with pale stools
  • any change in your eyesight, such as blurring or trouble seeing colours
  • severe or repeated vomiting, or you cannot keep food down
  • a skin rash, itching with swelling, or blisters

Side effects and what to do

What you noticeOften linked toWhat to do
Orange or red urine, sweat or tearsRifampicinHarmless. It goes away when the medicine is stopped at the end of the course.
Upset stomach, nauseaAny TB medicineTell your provider. Do not stop medicines. If it is severe or with yellow eyes, go at once.
Mild itchingIsoniazidTell your provider. A rash, blisters or swelling needs a doctor at once.
Joint painPyrazinamideDrink plenty of fluids and tell your provider. Severe pain needs a doctor.
Tingling, burning or numbness in hands and feetIsoniazidSee your doctor.
Blurred vision or trouble seeing coloursEthambutolSee a doctor at once.
Ringing in the ears, hearing loss, dizzinessVariousSee your doctor.
Yellow eyes or skin, dark urine, pale stools, vomiting, no appetiteLiver problem (several medicines)Go to your health facility at once.

How long do side effects last?

It depends on the side effect. Orange urine lasts while you take rifampicin. In the continuation phase pyrazinamide is stopped, so problems linked to it, such as joint pain, may ease then, but tell your provider rather than waiting. Tingling, vision changes and jaundice must be checked by a doctor straight away. Never stop or skip medicines to see if a side effect goes away.

Side effects of TB treatment for lymph node, bone or brain TB

The medicines are the same family, so the same side effects apply. Treatment may be longer, so keep reporting any problem at every visit.

Missed a dose because of side effects? See missed doses.

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Frequently asked questions

Is orange urine during TB treatment dangerous?

No. The CDC says orange urine, sweat or tears from rifampicin is harmless.

Is it normal to have fever during TB treatment?

Fever often settles as treatment works. If fever continues or returns, tell your doctor.

Can TB medicines cause a rash or itching?

Yes. Mild itching should be reported. A rash, blisters or swelling needs a doctor at once.

Do TB medicines affect sleep or cause headache?

Some people feel unwell at first. Report any problem that bothers you or does not go away.

Will side effects stop after treatment ends?

Most do. Problems like vision changes or tingling must be checked early by a doctor.

Medical review note. Written from official TB programme guidelines; last checked 16 October 2026. This is general information, not medical advice. For diagnosis and treatment, see a doctor at your nearest government health facility.