Quick Answer: What Drugs Cause Anisocoria?

Can drugs cause unequal pupils?

BACKGROUND: Anisocoria may be a benign variant, or may result from a manifestation of a serious disease.

Accidental contamination of many drugs, such as cocaine may cause anisocoria..

Should I be worried if one pupil is bigger than the other?

Physiological anisocoria is when there is a natural, small difference in the size of a person’s pupils. This is not harmful and does not require treatment. However, a sudden and pronounced change in one pupil size can indicate a medical condition.

What happened to Bowie’s eye?

Actually, David Bowie’s anisocoria was caused by a simple fight over a girl. As a youth, Bowie had a good friend named George Underwood. … When Bowie retold the story, he said it wasn’t a necessarily hard punch, but it was suspected that Underwood’s fingernail had scratched Bowie’s eye and essentially paralyzed the iris.

What would cause pinpoint pupils?

What are common causes of pinpoint pupils? One of the most likely reasons someone might have pinpoint pupils is the use of narcotic pain medications and other drugs in the opioid family, such as: codeine. fentanyl.

Does Anisocoria come go?

Normally our pupils are relatively the same size. While small differences in pupil size are normal and can even come and go (physiologic anisocoria), constant and significant differences in pupil sizes may be a sign of damage to the nerves that control the pupils or to the brain.

What medications cause Anisocoria?

Some Common Causes of AnisocoriaCauseSuggestive FindingsDrugs (eg, scopolamine patch; cocaine, pilocarpine, animal flea collars or sprays, organophosphates, or aerosolized ipratropium if they contact the eye; cycloplegic, mydriatic, clonidine, or apraclonidine eye drops)History of use or exposure8 more rows

What are the causes of Anisocoria?

What causes anisocoria?direct trauma to the eye.concussion.bleeding in your skull.inflammation of your optic nerve.brain tumor.aneurysm.meningitis.seizure.

Is Anisocoria serious?

A large difference in the size of the pupils following application of Tropicamide in the right eye only. Anisocoria is a condition characterized by an unequal size of the eyes’ pupils. Affecting up to 20% of the population, anisocoria is often entirely harmless, but can be a sign of more serious medical problems.

What are unequal pupils a sign of?

Unequal pupil sizes of more than 1 mm that develop later in life and do NOT return to equal size may be a sign of an eye, brain, blood vessel, or nerve disease.

When should I be concerned about dilated pupils?

If you or someone else notices you have dilated pupils or one of your pupils looks larger than the other after head trauma, seek medical attention immediately. The same is true if you experience sudden dizziness, headache, confusion, balance problems or other symptoms of a possible stroke.

What is Anisocoria a symptom of?

People with nervous system disorders that cause anisocoria often also have a drooping eyelid, double vision and/or strabismus. Brain disorders associated with anisocoria include strokes, hemorrhage (spontaneous or due to head injury) and, less commonly, certain tumors or infections.

Is unequal pupil size an emergency?

For new uneven pupil size that is related to new double vision, eyelid droopiness or head, neck or eye pain, it is best to be evaluated in the emergency room.

What does it mean when your pupils are two different sizes?

Normally the size of the pupil is the same in each eye, with both eyes dilating or constricting together. The term anisocoria refers to pupils that are different sizes at the same time. The presence of anisocoria can be normal (physiologic), or it can be a sign of an underlying medical condition.

What cranial nerve causes Anisocoria?

A cranial nerve III palsy results in a dilated, poorly reactive pupil. As the pupil is unable to constrict to light, the anisocoria is more apparent in the light than dark.