• Salmonellosis
• Scabies
• Schizophrenia
• Seasonal depression
• Seborrheic dermatitis
• Seborrheic dermatitis in infants (cradle cap)
• Seizures (epilepsy)
• Sexual dysfunction in men
• Sexual dysfunction in women
• Sexually transmitted infections
• Sinusitis
• Skin cancer
• Sleep apnea
• Snoring
• Sore nipples and breasts in breastfeeding mothers
• Sore throat
• Sprains and strains
• Strep throat and scarlet fever
• Stuttering
• Styes