Some result from exposures to medicines or chemicals. For example, alcohol abuse can cause fetal alcohol syndrome. Infections during pregnancy can also result in birth defects. For most birth defects, the cause is unknown.
Much like Chronic Fatigue Syndrome, Lyme often causes a profound exhaustion that is significantly worse than what is seen in other illnesses. Fatigue is common in Lyme disease because energy is being used to battle the systemic infection. Therefore, antibiotics can play an important role in the treatment. Other causes of fatigue, such as anemia, sleep apnea, hormonal disturbances and lifestyle factors should also be evaluated.
Lyme Disease Symptoms. So this part can be really tricky, as symptoms for Lyme are vast and vary from person to person, which is why Lyme disease is often misdiagnosed as something else. The symptoms for Lyme can range from slight fatigue, to joint pain, to depression, seizures, and even cardiac failure. The following is a superb comprehensive list of Lyme disease symptoms from The Canadian Lyme Disease Foundation: