Severe fires can kill all the trees in a forest, prompting a massive release of seed to take advantage of the nutrients in the ash bed.

* 1854: Severe floods, fires hit city

Severe winters can lead to ice formation around southern Sweden and even in the Danish straits.

Severe manic episodes can sometimes lead to such psychotic symptoms as delusions and hallucinations.

Severe disease of nearly all major organ systems can cause hypoglycemia as a secondary problem.

Severe weather warnings are issued for hail when the stones reach a damaging size, as it can cause serious damage to human-made structures and, most commonly, farmers ' crops.

Severe thunderstorms containing hail can exhibit a characteristic green coloration

Severe blizzards can occur in the region.

Severe reactions do occur with the fluoroquinolone class and can add significantly to the cost of care.

Severe long-standing varicose veins can lead to leg swelling, venous eczema, skin thickening ( lipodermatosclerosis ) and ulceration.

Severe dengue can be fatal, but with good treatment, less than 1 % of patients die from dengue.

Severe diseases such as scurvy can result from defects in this hydroxylation, e. g., mutations in the enzyme prolyl hydroxylase or lack of the necessary ascorbate ( vitamin C ) cofactor.

Severe thunderstorms can occur at any time of the year though mainly during the spring months.

Severe inflammation can lead to intra-abdominal hypertension and abdominal compartment syndrome, further impairing renal and respiratory function and potentially requiring management with an open abdomen ( laparostomy ) to relieve the pressure.

Severe hypothyroidism in infants can result in cretinism.

Severe weather in the form of strong straight-line winds can be expected in areas where the squall line itself is in the shape of a bow echo, within the portion of the line that bows out the most.

Severe thunderstorms can occur from any type of storm cell.

Severe acne is inflammatory, but acne can also manifest in noninflammatory forms.

1 ) Dysfunction of the thyroid, adrenal, and pituitary glands 2 ) Numerous diseases of the pancreas 3 ) Severe increases in blood glucose may be seen in sepsis and certain infections 4 ) Intracranial diseases ( frequently overlooked ) can also cause hyperglycemia.

Severe hyperglycemia can be treated with oral hypoglycemic therapy and lifestyle modification.

Severe dysentery can be treated with ampicillin, TMP-SMX, or fluoroquinolones, such as ciprofloxacin, and of course rehydration.

Severe thunderstorms can bring damaging winds, large hail and occasionally tornadoes.

Severe weather does affect the area and can be dangerous at certain times.

Severe ischemia can cause the heart muscle to die from hypoxia, such as during a myocardial infarction.

Severe hyperkalemia will cause changes in cardiac electrophysiology, which, if severe, can result in asystole.

Severe ataxia may eventually lead to the need for a wheelchair.

Severe symptoms include severe increases in heart rate and blood pressure that may lead to shock.

Severe cases of PE can lead to collapse, abnormally low blood pressure, and sudden death.

Severe knocking can lead to catastrophic failure in the form of physical holes punched through the piston or cylinder head ( i. e., rupture of the combustion chamber ), either of which depressurizes the affected cylinder and introduces large metal fragments, fuel, and combustion products into the oil system.

Severe cases may lead to delirium, coma and death after 5 – 7 days.

Severe instances can lead to death if not treated quickly.

* Severe allergic response may lead to corneal inflammation and ulceration ( i. e. vernal keratoconjunctivitis ).

Severe breast engorgement can lead to the flattening of the nipples or, it can result in inverted nipples which make it impossible for the baby to suck out all the milk from the breast.

Severe engorgement of the breast can lead to breast infection.

Severe diffuse axonal injuries often lead to comas or vegetative states.

Severe head injuries can lead to permanent vegetative states or death, therefore being able to recognize symptoms and get medical attention is very important.

Severe cases may cause scarring of the cornea and lead to vision loss if untreated.

Severe increases in CO < sub > 2 </ sub > levels can lead to respiratory arrest.

Severe cases of pyelonephritis can lead to pyonephrosis ( pus accumulation around the kidney ), urosepsis ( a systemic inflammatory response of the body to infection ), kidney failure and even death.

Severe envenomation can lead to respiratory failure and death may occur due to suffocation.

Severe iron deficiency anemia can lead to stomatitis.

Severe vitamin A deficiency is associated with xerophtalmia and ulceration of the cornea, a condition that can lead to total blindness.

Severe nearsightedness ( myopia ) is common, as are other eye problems that can lead to blindness.