According to the USDA, heavy cream can be stored in the refrigerator (opened or unopened) for up to a month. 1  This assumes that it has been kept at a constant refrigerator temperature and not left out on the counter for stretches of time. Discard any cream with mold or an off odor.
However, one of the most common causes of lockjaw, as already mentioned, is TMJ disorder. TMJ disorder refers to a syndrome that affects the temporomandibular joint, commonly called the TMJ, which connects the jaw with the bottom of the skull.
Possible causes of locked-in syndrome include: 1  Poisoning cases â More frequently from a krait bite and other neurotoxic venoms, as they cannot, usually, cross the bloodâbrain barrier. 2  Brainstem stroke. 3  Diseases of the circulatory system.  Medication overdose .