Methylphenidate Viatris
Methylphenidate Viatris is a medicine used to treat Attention Deficit Hyperactivity Disorder (ADHD) in children aged 6 and older, and in adults.
Form
depottabletti
Strength
36 mg
Active Ingredient
Methylphenidate hydrochloride
Manufacturer
Viatris Limited
How to Use
Dosage
Your doctor usually starts with a low dose and may increase it by 18 mg at most once a week, aiming for the lowest dose that works for you.
Method
Take the medicine once a day in the morning with a glass of water. Swallow the tablet whole; do not chew, divide, or crush it. You can take it with or without food.
Important
The maximum daily dose is usually 54 mg for children and 72 mg for adults.
Possible Side Effects
COMMON
- •Headache
- •Nervousness
- •Sleeplessness
- •Stomach pain or discomfort, nausea, vomiting, or diarrhea
- •Loss of appetite or decreased appetite
- •Weight loss
- •Dry mouth or thirst
- •High blood pressure or fast heart rate
- •Irregular heartbeat (palpitations)
- •Mood changes, mood swings, or personality changes
- •Feeling aggressive, agitated, anxious, or irritable
- •Difficulty falling asleep or unusual drowsiness/sleepiness
- •Dizziness or feeling weak
- •Blurred vision
- •Itching, rash, or hives
- •Joint pain, muscle stiffness, or muscle cramps
RARE
- •Suicidal thoughts or feelings
- •Seeing, feeling, or hearing things that are not real (signs of psychosis)
- •Uncontrolled speech or body movements (Tourette's syndrome)
- •Allergic reaction symptoms (e.g., swelling of face, lips, tongue, shortness of breath, wheezing)
- •Unusual excitement, overactivity, and uninhibited behavior (mania)
- •Heart attack or sudden death
- •Seizures (epileptic fits, convulsions, epilepsy)
- •Peeling skin or reddish-purple patches on skin
- •Brain blood vessel inflammation or blockage (e.g., stroke, aneurysm)
- •Temporary paralysis or problems with movement and vision, speech difficulties
- •Uncontrolled muscle spasms (tics) affecting eyes, head, neck, body, and nerves
- •Decreased number of blood cells (red, white, platelets), leading to increased infection risk or easy bleeding/bruising
- •Sudden increase in body temperature, very high blood pressure, and severe convulsions
- •Migraine
- •Dilated pupils or elevated eye pressure
- •Very high fever or slow/fast/extra heartbeats
- •Believing things that are not true (delusions)
- •Inability to control urination (incontinence)
- •Jaw muscle spasm making it hard to open mouth (trismus)
- •Stuttering or nosebleed
- •Eye diseases causing vision loss due to optic nerve damage (glaucoma)
- •Dry eyes or constipation
- •Chest discomfort or apathy
- •Blood in urine or increased need to urinate
- •Tremor or feeling hot
- •Elevated liver enzyme levels (seen in blood tests)
- •Anger, restlessness, tearfulness, excessive talkativeness, heightened awareness of surroundings, or difficulty sleeping
- •Sex drive problems
- •Confusion or disorientation
- •Vision problems or double vision
- •Breast swelling in men
- •Skin redness, red bumpy rash
- •Obsessive-compulsive disorder (OCD) symptoms
- •Muscle cramps or small red spots on the skin
- •Abnormal liver function, including liver failure and coma
- •Changes in lab test results, including blood and liver tests
- •Abnormal thoughts or lack of feelings
- •Numbness, tingling, and color changes (white to blue then red) in fingers and toes when cold (Raynaud's phenomenon)
Important Warnings
- Do not use if you are allergic to methylphenidate or any other ingredients in this medicine.
- Avoid use if you have severe heart problems, very high blood pressure, or serious blood vessel diseases.
- Do not use if you have taken certain antidepressants called MAO inhibitors within the last 14 days, as this can cause a sudden and dangerous rise in blood pressure.
- Avoid if you have severe mental health problems, such as psychosis, schizophrenia, severe mood disorder, or suicidal thoughts.
- Boys and young men may experience prolonged, painful erections. Contact a doctor immediately if an erection lasts more than 2 hours, especially if it is painful.