Thanks for posting your query on HCM.
Yes this could be the side effects of the drugs specially pyrazinamide
component of your forecox tablet. If the rash is not so severe then you can take oral histaminics like avil 25 mg daily and look for improvement. Otherwise if it is severe then better to stop the drugs at once and wait for some days after disappearance of rashes by taking antihistaminics like avil. After disappearance of rashes it will be better to start the drugs one by one like isoniazid
, pyrazinamide and ethambutol
and look after introduction of which drug rashes reappear. Then you have to consume modified regime excluding that offending drug. This will be the approach from a pulmonologist's perspective. Consult a pulmonologist
and take his guidance.