How long will cream be good after it is opened? The cream should be good until the date on the carton or 7-10 days after openingâwhichever date comes first. Keep it in the back of the refrigerator (where it is coldest) for maximum shelf life.
Sometimes symptoms of dry-eye occur right before or along with the eye twitching. Some research indicates that dry eyes are a trigger for blepharospasm. Eye twitching can run in families, or it can be caused by the side effects of certain medications, such as those used to treat Parkinsonâs disease. Other common eye twitch causes include: 1  Stress. 2  Irritation of the Cornea or Conjunctiva. 3  Fatigue/Lack of sleep. 4  Prolonged staring at a computer screen or television. 5  Excessive caffeine intake (e.g., coffee, tea, caffeinated sodas). 6  Nervous system disorders.
Twitching in the left thumb may also indicate an overdose of caffeine, stimulants or amphetamines or a drug side effect to estrogen, corticosteroids or diuretics, adds MedlinePlus. Diet is also a cause of left thumb twitching, especially when an individual fails to consume a balanced diet. When the body is unable to fight off ailments, such as an autoimmune disorder, twitching is often a side effect.