Jade Small
Jade Small
December 5, 2024 ·  3 min read

These Common Medications Could Have Terrifying Side Effects

Most people have a medicine cabinet filled with items like painkillers, vitamins, and prescription medications. While these are intended to help us feel better, every medication comes with side effects—even the seemingly harmless ones. For the majority, side effects are mild, but some medications can surprise you with reactions that sound more like the plot of a thriller than a health advisory. Let’s uncover some of the most unexpected side effects of common medications and what to watch out for.

Penicillin Can Alter Your Perception

 black and white photo of a street likely from the mid-20th century.
History

Penicillin, the antibiotic that revolutionized modern medicine, comes with a surprising downside: hallucinations. This rare side effect can make people see, hear, or feel things that don’t exist. While the drug has saved countless lives, it’s worth being mindful of its potential to cause strange sensory experiences.

Viagra and the Risk of Amputation

medical consultation
Viagra.com

While most know about the warning to seek medical help if an erection lasts longer than four hours, the consequences can be severe. This condition, known as priapism, results from blood vessels refusing to relax. In extreme cases, untreated priapism can lead to tissue damage so severe that amputation of the penis might be necessary.

Ibuprofen Could Burn You—Literally

a person taking a pill from a blister pack
ibuprofen. Healthline.

Ibuprofen is a go-to for pain relief, but in rare cases, it can cause Stevens-Johnson Syndrome (SJS). This condition creates painful blisters all over the body and can escalate into toxic epidermal necrolysis, causing severe burns. While extremely uncommon, it’s a reminder to watch for unusual skin reactions when taking this over-the-counter remedy.

Naproxen Might Leave You Blue

 field of tulips with different color
Insider

Naproxen, a common anti-inflammatory medication, has an unusual side effect: turning your lips and fingernails blue. This reaction is often a sign of poor oxygen circulation and should not be ignored. Though effective for migraines and arthritis, long-term use of naproxen can lead to surprising visual changes.

Eye Drops Can Impact Your Digestion

person with gray hair holding an eye drops
Drugs.com

It may seem far-fetched that something applied to your eyes could upset your stomach, but certain eye drops, like Travoprost, have been linked to indigestion. Though doctors aren’t entirely sure why this happens, it’s a reminder that medications can have systemic effects beyond their intended targets.

Aspirin Can Leave You Black and Blue

man with yellow and clear eyes
WebMD

Aspirin, widely used for its blood-thinning properties, can cause spontaneous bruising. If you’re taking aspirin daily, you may notice random black-and-blue marks appearing on your skin. While this side effect is generally harmless, it’s worth monitoring to ensure it doesn’t lead to excessive bleeding.

Prozac Leaves You Parched

a capsule of Prozac
Prozac

Prozac, a common antidepressant, can cause an unrelenting thirst. Doctors aren’t sure why this happens, but those taking the medication often find themselves needing to hydrate constantly. Staying hydrated becomes essential to manage this unexpected side effect.

Sleeping Pills Might Make You Sleepwalk

woman having a headache
Drugs.com

Sleeping pills are designed to help you rest, but in some cases, they may cause parasomnia—a condition where people engage in activities like sleepwalking. This risk increases with prolonged use, making it crucial to monitor your behavior while on these medications.

Conclusion: Know Your Medications

While medications are essential for treating various conditions, their potential side effects should never be overlooked. Always discuss possible reactions with your doctor and stay alert for any unusual changes in your body or behavior. Awareness is your best defense against these unexpected surprises, ensuring your health and safety remain a top priority.

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