Patients should abstain from alcohol while under treatment with Rimstar 4.
Rimstar 4 can permanently discolor soft contact lenses. Do not wear them while taking these tablets or for 1 week after stopping the medication.
To preclude the possibility of pregnancy during treatment with rifampicin, additional nonhormonal means of contraception must be employed (see Interactions).
In hyperuricemia accompanied by an acute gouty arthritis, the patient should be transferred to a regimen not containing pyrazinamide.