It sounds like you may be experiencing a drug reaction with painful blisters and difficulty urinating after stopping Tinidazole, which requires prompt specialist care.

⚠️ Warning Signs and Urgency

• Persistent painful blisters with urinary difficulty can indicate a severe skin or mucosal reaction, possibly requiring urgent medical attention to avoid complications.
• Since symptoms continue after stopping the medication, professional evaluation is essential to prevent worsening or infection.

🩺 What You Can Do Now

• Avoid further use of Tinidazole or related medications without medical advice.
• Keep the affected area clean and avoid irritants.
• Use lukewarm water to gently clean genital areas; avoid harsh soaps or scrubbing.
• Over-the-counter pain relief (such as acetaminophen or ibuprofen) may help manage discomfort short-term.
• Avoid sexual activity until fully healed and cleared by a doctor.

🩺 Specialist Consultation Recommended

• You should see a dermatologist or urologist promptly for accurate diagnosis and treatment.
• They may prescribe topical or oral medications such as corticosteroids, antiviral drugs, or antibiotics if secondary infection is suspected.
• Proper evaluation is needed to confirm if this is a drug-induced skin reaction, infection, or another cause.

If you notice worsening symptoms like fever, spreading rash, severe pain, or difficulty urinating becoming complete inability, seek emergency care immediately.

Please consult a dermatologist or urologist as soon as possible to get tailored treatment and relief.