Do not self-medicate with Levocarnitine. The dose has to be decided by the doctor based on the condition and Carnitine levels and any self-adjustment of dosage is not recommended , Fishy smell of urine, breath and sweat may indicate the dose is higher. Inform your doctor immediately and he will reduce the dose , Levocarnitine is a highly absorbable form of Carnitine and hence you should be very careful with the dosage