Weakness in the legs usually means one is tired or ill, according to Healthgrades. Sudden weakness in the leg can signal a much more serious condition, such as sciatica, which occurs due to pinching of the nerves in the ... More »

According to petMD, weakness of the hind limbs in dogs is a common symptom of degenerative myelopathy, a progressive disease that affects the nervous system and spinal cord. Degenerative myelopathy is more common in olde... More »

Feeling tired and having achy legs can occur due to exercising, overexertion or strenuous walking, especially in hot weather. These symptoms can also be related to medical conditions such as fibromyalgia, peripheral arte... More »

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Weakness in the legs, ankles and feet and loss of muscle in the legs and feet are the main symptoms of Charcot-Marie-Tooth disease, though the condition also causes foot deformities such as hammertoes and high arches, no... More »

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The signs and symptoms of fluid retention include swelling in the body parts, including the feet, lower legs, hands, arms and face, according to Healthgrades. Based on the condition that causes fluid retention, other sig... More »

Possible causes of spots on legs, or leg rashes, include an allergic reaction, irritant contact dermatitis, a viral infection, an autoimmune disorder and varicose veins, according to Healthgrades. Peripheral artery disea... More »

www.reference.com Health Conditions & Diseases

A rash that only appears on the lower legs can be caused by vasculitis, venous eczema, cellulitis or dermatitis, according to Healthgrades. Atopic dermatitis, or eczema, and molluscum contagiosum also cause rashes, mostl... More »

www.reference.com Health Pain & Symptoms