Levodopa/carbidopa is used for treating parkinson's disease symptoms such as stiffness, tremors, and movement restriction. It is also used for post-encephalitic parkinsonism and parkinsonism caused by carbonmonoxide or manganese poisoning.
Azithromycin is a macrolide antibiotic used to treat several bacterial infections involving respiratory tract, skin, urinary tract and ear. It is also used to treat lyme disease, typhoid fever, traveler's diarrhea, and gonorrhea
Isotretinoin is a retinoid and a prescription only medicine (POM) related to vitamin A and its isomer tretinoin is also used to treat acne vulgaris and severe recalcitrant nodular acne resulting in deep or painful cysts and nodules.