All illnesses

Menstrual problems

Mental function

Metabolic problems

Metabolic syndrome

Methicillin-resistant Staphylococcus aureus (MRSA)

Methotrexate side effects

Migraine headache

Milk sensitivity (lactose intolerance)

Mitral valve prolapse (heart valve disease)


Morning sickness

Mosquito repellent

Motion sickness

Mouth cancer

Mouth ulcer

Multiple myeloma (bone marrow cancer)

Multiple sclerosis (MS)


Muscle cramps

Muscle problems

Muscle problems in the esophagus

Muscle spasms

Muscle spasms in the mouth (palatal myoclonus)

Muscle strength

Muscular dystrophy (muscle wasting)

Myelodysplastic syndrome (blood cell disease)

Nasal congestion


Necrotizing enterocolitis NEC (intestinal infection)

Nerve damage