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
Males
- Breast enlargement
- Acne
Females
- Deeper voice
- Acne
- Missed or irregular menstrual periods
- Increased facial and body hair
Less Common Side Effects
- High calcium in the blood
- High red blood cell count
- High cholesterol
- More erections
- Low sperm count
- Changes in sex drive
- Swelling in the legs or arms
- Bleeding
- Headache
- Anxiety
- Depression
- Nausea
Methyltestosterone serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Liver damage: stomach pain, nausea, vomiting, yellowing of the skin, yellowing of the whites of the eyes, light-colored stools, dark urine, weight loss
- Heart attack: chest pain, cold sweats, left arm pain, difficulty breathing
- Stroke: face drooping, trouble seeing, walking, or speaking, weakness on one side of the body
- Blood clot in the legs: pain, swelling, warm to touch, redness
- Blood clot in the lungs: trouble breathing, chest pain, cough
- Withdrawal: depression, fatigue, craving, restlessness, irritability, lack of appetite, trouble sleeping (insomnia), lowered sex drive, low testosterone
Source: DailyMed
The following Methyltestosterone side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Blood clot—pain, swelling, or warmth in the leg, shortness of breath, chest pain
- Heart attack—pain or tightness in the chest, shoulders, arms, or jaw, nausea, shortness of breath, cold or clammy skin, feeling faint or lightheaded
- Increase in blood pressure
- Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
- Mood swings, irritability, hostility
- Prolonged or painful erection
- Sleep apnea—loud snoring, gasping or choking during sleep, daytime sleepiness
- Stroke—sudden numbness or weakness of the face, arm, or leg, trouble speaking, confusion, trouble walking, loss of balance or coordination, dizziness, severe headache, change in vision
- Swelling of the ankles, hands, or feet
- Thoughts of suicide or self-harm, worsening mood, feelings of depression
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
