Unexpected Side Effects of Common Medications You Should Discuss With Your Doctor

17. ADHD Medications and Cold Extremities: A Chilly Trade-Off

Stimulants like Adderall and Ritalin help improve focus and reduce impulsivity, but they can also constrict blood vessels—leading to cold hands and feet, or even Raynaud’s-like symptoms in some users. This circulation effect often goes unmentioned, yet it can be uncomfortable or concerning. If you notice your fingers or toes turning pale or feeling numb in cooler environments, your medication might be a factor. Discussing dosage timing, alternative meds, or circulatory aids (like warm compresses) with your doctor can help keep your focus sharp—and your extremities warm.

18. Birth Control and Vision Changes: A Subtle Shift

Hormonal contraceptives can affect more than just your cycle—they can subtly alter your vision. Shifts in estrogen levels may change the curvature of the cornea, causing blurry vision or discomfort for contact lens users. In rare cases, birth control has been linked to optic nerve issues, especially in women with migraines or high blood pressure. If your eyes feel drier or your contacts don’t fit like they used to, don’t just blame screen time—your pills might be the culprit. An optometrist visit and a conversation with your doctor can help rule out more serious concerns.