Hi. Welcome to Healthcaremagic
300 mg X1= 100gX3. Dose is same. SO it will not cause any side effects.
All medicines may cause side effects, but many people have no, or minor, side effects. If the side effects persist or become bothersome when using Dilantin
cosnult your MD and change it to different medicines
Common side effects are:
Constipation; dizziness; headache; mild nervousness; nausea; trouble sleeping; vomiting
SEVERE side effects:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bone pain; butterfly-shaped rash on the face; clumsiness or unsteadiness; confusion; dark urine; delirium; high blood sugar (flushing; fruit-like breath odor; increased thirst, hunger, or urination; rapid breathing); mental or mood changes; numbness
of the hands or feet; red, swollen, blistered, or peeling skin; signs of infection (eg, chills
, fever, sore throat
); slurred speech; stomach pain; swollen lymph nodes; swollen or tender gums; tremor; unusual bruising or bleeding; unusual eye movements; unusual muscle movements; yellowing of the skin or eyes.
Your symptoms are minor and will get better. But if the symptoms persist, please consult your doctor and change the medicine. Now a days there are many safe medication with very little or no side effects.
Regards, Dr. Jagdish