The 20 Potentially Dangerous Medications That Could Cause Memory Loss

3. Antidepressants (Certain Types)

Some older antidepressants affect acetylcholine, a chemical critical for memory and learning.
4. Antihistamines (First Generation)

Older allergy medications often cause drowsiness and mental fog because they easily cross into the brain.
5. Antipsychotic Medications

These drugs alter dopamine pathways, which can impair attention, processing speed, and memory.
6. Opioid Paink*llers

Strong pain medications can slow brain function and interfere with memory formation, especially at higher doses.
7. Muscle Relaxants

Often prescribed for short-term pain, they can cause sedation and confusion when used longer than recommended.
8. Anti-Seizure Medications
Some anticonvulsants may reduce alertness and slow cognitive processing.