If it hurts while walking, and there’s a swelling on the thumb-side toe of the foot (big toe), it could mean a bunion formation. Bunion refers to a medical condition affecting the big toe of the foot in which a bony bump on the joint at base of great toe forms on the outer side. There occurs enlargement of joint of the big toe (joint between the big toe and the feet called metatarsophalangeal joint). It is accompanied by displacement or tilting of the affected big toe inwards. There may occur redness and soreness of skin over the bunion. Hallux Valgus is a term used for bunion deformity. At times, little bunions may form on the joint of little toe which are known as bunionettes. <>/br