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Methamphetamine

Methamphetamine Side Effects

Robert Chad Hakim, PharmD, BCCCPAllison Gourley, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Allison Gourley, PharmD
Last reviewed on January 17, 2024

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

  • High blood pressure
  • Fast heartbeat
  • Tremors
  • Trouble sleeping
  • Dizziness
  • Diarrhea or constipation
  • Low appetite
  • Dry mouth
  • Weight loss

Less Common Side Effects

  • Restlessness
  • Headache
  • Uncontrolled muscle movements
  • Stomach upset
  • Changes in libido

Methamphetamine serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Allergic reactions: rash; hives; difficulty breathing; swelling of face, lips, tongue, or throat
  • Heart problems: heart attack, fast heart rate, high blood pressure
  • Brain-related problems: seizures, stroke
  • Mental health-related problems: manic episodes, changes in thoughts or behavior, hallucinations
  • Serotonin syndrome: fast heart rate, sweating, muscle stiffness or spasms, fever, confusion
  • Seizures
When do Methamphetamine possible side effects begin and end?
Time passed since treatment started:
M
H
D
W
M
High blood pressure
Fast heart rate
Seek immediate medical care if you experience this side effect.
If a line continues to the right, you'll likely keep experiencing this side effect once it starts.

Source: DailyMed

The following Methamphetamine side effects have also been reported

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Rare

Agitation

delusions

hallucinations

Incidence not known

Blurred vision

chest discomfort or pain

dark-colored urine

difficulty breathing

dizziness

faintness

false or unusual sense of wellbeing

fast, pounding, or irregular heartbeat or pulse

fever

headache

muscle cramps or spasms

muscle pain or stiffness

pounding in the ears

restlessness

shakiness in the legs, arms, hands, or feet

swelling of the feet or lower legs

trembling or shaking of the hands or feet

trouble sleeping

twitching, twisting, or uncontrolled repetitive movements of the tongue, lips, face, arms, or legs

uncontrolled vocal outbursts and tics

unusual tiredness or weakness

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Incidence not known

Bad, unusual, or unpleasant (after) taste

change in taste

constipation

decreased interest in sexual intercourse

dry mouth

hives or welts, itching, or skin rash

inability to have or keep an erection

indigestion

loss in sexual ability, desire, drive, or performance

passing of gas

redness of the skin

weight loss

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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