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Can side effects from medication come months later?

Published in Medical 2 mins read

Yes, side effects from medication can come months later.

Delayed Side Effects

Sometimes, side effects from medication don't appear immediately. They can develop over time, even weeks or months after starting a new medication. This is known as a delayed side effect.

Reasons for Delayed Side Effects

  • Accumulation: Some medications build up in the body over time, leading to side effects that only become noticeable after a certain level is reached.
  • Individual Sensitivity: People react differently to medications. Some individuals may be more sensitive to certain drugs, experiencing delayed side effects that others don't.
  • Underlying Conditions: Existing medical conditions can sometimes interact with medications, causing delayed side effects.
  • Drug Interactions: Medications can interact with each other, even if taken months apart. This interaction can lead to delayed side effects.

Examples of Delayed Side Effects

  • Antibiotics: Some antibiotics can cause allergic reactions weeks or months after treatment.
  • Antidepressants: Certain antidepressants can cause weight gain or sexual dysfunction over time.
  • Anticonvulsants: Some anticonvulsants can cause bone loss, which may not become apparent for months or years.

Reporting Side Effects

If you experience any new or unusual symptoms after starting a medication, it's crucial to report them to your healthcare provider. They can determine if the symptoms are related to the medication and adjust your treatment plan accordingly.

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