Symptoms and Side Effects

Headache

Person with curly hair resting their head on their hand, appearing thoughtful or tired.

Should I Be Concerned About My Headache?

Headaches can happen for many reasons. While they’re rarely a sign of something serious. However, they can still be disruptive, especially if you’re managing other side effects of treatment. Most headaches resolve on their own, but taking simple steps at home may help you feel better faster.

Woman sitting in bed with long hair and covered with a blanket, holding her head in hand, appearing tired or stressed.

Common Causes of Headaches

  • Chemotherapy
  • Dehydration 
  • Stress
  • Fatigue or sleep disruption
  • Infections 
  • Spread of cancer (less common)

Managing a Headache at Home – Dos and Don’ts

Preventing Headaches

When to Get Help

Reach out to your doctor if:

  • You have a sudden, severe headache that feels different from others you’ve had.
  • Your headaches are happening at an increased frequency.
  • You experience additional symptoms like:
    • Numbness
    • Weakness in your face, arm, or leg
    • Vision changes
    • Trouble speaking or confusion
    • You have a fever along with your headache