Certain sinus problems may cause a buildup of pressure within the inner ear and this can lead to a feeling of dizziness. The sinuses and ears are intricately connected within the head which is why problems in one part ca... More »

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The decongestants Sudafed, Actifed and Advil can cause dizziness, explains WebMD. Antibiotics, including aminoglycosides, glycopeptides, sulfonamides and metronidazole, can also cause it, notes Drugs.com. Decongestants a... More »

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Sinus problems, such as acute or chronic sinusitis, can cause nausea, according to Mayo Clinic. Sinusitis can also cause pain in the ear, aching around the teeth and upper jaw and bad breath. More »

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Allergy symptoms, such as sinus congestion, can cause the eustachian tube to become blocked with mucus, rendering it unable to equalize ear pressure and maintain balance in the body, and this can cause a feeling of dizzi... More »

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Meniere's disease is an impairment that causes dizziness due to increased pressure of the inner ear fluids, according to Mayo Clinic. The dizziness sometimes lasts for several hours. Other symptoms include a feeling of f... More »

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Meniere’s disease is a chronic inner ear condition that causes episodic vertigo and a feeling of pressure in the ear, according to Mayo Clinic. The condition often triggers ringing in the ears, known as tinnitus, and per... More »

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Crystals normally occur in the inner ear, but the symptoms that arise when they become dislodged include dizziness and a sense that the room is spinning, a loss of balance, and nausea and vomiting, states Mayo Clinic. Th... More »

www.reference.com Health Conditions & Diseases