A one-sided headache with ear discomfort and dizziness on standing may be caused by dehydration, sinus or ear-related problems, or postural dizziness. Your blood pressure is within an acceptable range. Drink plenty of fluids, get adequate rest, and you may take paracetamol for pain relief. Please see a doctor if symptoms persist, worsen, or if you develop other unusual symptoms.

I understand how incredibly distressing and exhausting this severe vertigo must be for you, especially when it prevents you from even sitting up. Because your symptoms are persistent, highly disruptive, and not responding to your current medications (betahistine and cinnarizine), it is very important that you seek immediate medical evaluation. Please go to the nearest emergency department. A doctor needs to perform a physical assessment, potentially including a neurological exam and imaging, to rule out more serious causes and help find you quick relief. Please do not try to stand or walk unsupported to avoid falls.

Since your ear, nose, and throat evaluation was normal, I highly recommend consulting a neurologist next. They specialize in the nervous system pathways that control your balance and walking. You might also benefit from seeing a physical therapist who specializes in vestibular rehabilitation. They can provide targeted exercises to help steady your feet and prevent falls.

Since the symptoms have improved by 60% to 70% after six days, the current treatment is on the right track. For the next steps, please consult your doctor to discuss whether to complete, extend, or gradually taper the betahistine course. Temporary balance issues are common after viral infections like COVID-19. Meanwhile, avoid sudden head movements, stay well-hydrated, and get plenty of rest. If any mild dizziness persists, simple vestibular rehabilitation exercises can also help restore balance completely.

Vertin 4 mg OD may be effective for certain medical conditions, but its suitability depends on your individual health needs and medical history. It is a prescription medicine, so the correct dose and duration should be determined only by a doctor after evaluating your condition, and self‑medication should be avoided.

Typically, recurrent vertigo episodes last from a few seconds to several hours. Since your symptoms have continued for two weeks despite taking betahistine and vestibular suppressants, it is important to seek a comprehensive medical evaluation. I recommend scheduling an appointment with an ear, nose, and throat (ENT) specialist or a neurologist. They can perform diagnostic tests, such as hearing exams or imaging, and may suggest vestibular rehabilitation therapy or physical maneuvers. Please rest assured that finding the right treatment is very possible once the precise cause is identified.