Lymecycline Products | Cleanchem - Lymecycline is a tetracycline-class antibiotic used to treat acne vulgaris and various bacterial infections. It works by inhibiting bacterial protein synthesis through binding to the 30S ribosomal subunit. Lymecycline is favored in dermatology for its effectiveness and reduced gastrointestinal side effects compared to other tetracyclines. Photosensitivity and tooth discoloration are potential side effects.