While vitamin K deficiencies are uncommon, you may be at higher risk if you: Have a disease that affects absorption in the digestive tract, such as Crohn's disease or active celiac disease Take drugs that interfere with vitamin K absorption
The most common side effects with CIALIS are:headache, indigestion, back pain, muscle aches, flushing, and stuffy or runny nose. These side effects usually go away after a few hours. Men who get. back pain and muscle aches usually get it 12to 24hours after taking CIALIS.
1 Do not take Viagra, Levitra, or Cialis within 24 hours of taking nitrates. 2  When these erectile dysfunction medicines are mixed with nitrates, the combination can lower your blood pressure and make you dizzy, lightheaded, or faint.ell your doctor about every medicine that you are taking, even if it is not listed below. 1  Viagra (sildenafil), Levitra (vardenafil), or Cialis (tadalafil). 2  Medicines to treat high blood pressure. 3  Certain heart medicines. 4  Over-the-counter cough, cold, and flu medicines. 5  Over-the-counter herbal supplements for treating cough, cold, and flu.