Thanks for posting your query on HCM.
is a known rare side effect of Vyvance. Please contact your doctor and report this side effect. On the safer side you may get an xray chest done to rule out any major pathology. Costochondritis
is usually just near the midline of the chest and not at the peripheries. Meanwhile you may take an analgesic like diclofenac
sodium or paracetamol
for the chest pain.
Dr. Gyanshankar Mishra
MBBS MD DNB
Consultant Chest Physician