Erlotinib Hydrochloride With or Without Bevacizumab in Treating Patients With Stage IV Non-small Cell Lung Cancer With Epidermal Growth Factor Receptor Mutations

Mixed, non-small cell and small cell tumors or mixed adenosquamous carcinomas with a predominant squamous component

Prior chemotherapy or treatment for metastatic non-small cell lung cancer

Any of the following:

* Pregnant women

* Nursing women

* Men or women of childbearing potential who are unwilling to employ adequate contraception

Co-morbid systemic illnesses or other severe concurrent disease which, in the judgment of the investigator, would make the patient inappropriate for entry into this study or interfere significantly with the proper assessment of safety and toxicity of the prescribed regimens

Immunocompromised patients (other than that related to the use of corticosteroids) including patients known to be human immunodeficiency virus (HIV) positive, per medical doctor (MD) discretion

Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, or psychiatric illness/social situations, or any other medical condition that would limit compliance with study requirements

Receiving any other investigational agent which would be considered as a treatment for the primary neoplasm

Other active malignancy =\< 3 years prior to randomization; EXCEPTIONS: non melanotic skin cancer or carcinoma-in-situ of the cervix; Note: if there is a history of prior malignancy, they must not be receiving other specific treatment (i.e. hormonal therapy) for their cancer

History of myocardial infarction or other evidence of arterial thrombotic disease (angina), symptomatic congestive heart failure (New York Heart Association \>= grade 2), unstable angina pectoris, or cardiac arrhythmia; Note: allowed only if patient has no evidence of active disease for at least 6 months prior to randomization

History of cerebral vascular accident (CVA) or transient ischemic attack (TIA) =\< 6 months prior to randomization

History of bleeding diathesis or coagulopathy

Inadequately controlled hypertension (systolic blood pressure of \> 150 mmHg or diastolic pressure \> 100 mmHg on anti-hypertensive medications); Note: history of hypertensive crisis or hypertensive encephalopathy not allowed

Current or recent (=\< 10 days prior to randomization) use of aspirin (\> 325 mg/day), clopidogrel (\> 75 mg/day), or prasugrel (\> 10 mg/day)

Serious non-healing wound, ulcer, bone fracture, or have undergone a major surgical procedure, open biopsy, or significant traumatic injury =\< 28 days or core biopsy =\< 7 days prior to randomization

History of abdominal fistula, gastrointestinal perforation, or intraabdominal abscess =\< 6 months prior to randomization

Known hypersensitivity to Chinese hamster ovary cell products or other recombinant human antibodies

History of hemoptysis \>= grade 2 (defined as bright red blood of at least 2.5 mL) =\< 3 months prior to randomization

Known central nervous system (CNS) disease, except for treated brain metastasis; Note: treatment for brain metastases may include whole brain radiotherapy (WBRT), radiosurgery (RS); gamma knife, linear accelerator (LINAC), or equivalent or a combination as deemed appropriate by the treating physician; patients with CNS metastases treated by neurosurgical resection or brain biopsy performed =\< 3 months prior to randomization will be excluded; Note: craniotomy or intracranial biopsy site must be adequately healed, free of drainage or cellulitis, and the underlying cranioplasty must appear intact at the time of randomization; study treatment should be initiated \> 28 days following the last surgical procedure (including biopsy, surgical resection, wound revision, or any other major surgery involving entry into a body cavity)

Significant vascular disease (e.g. aortic aneurysm surgical repair or recent peripheral arterial thrombosis) =\< 6 months prior to randomization

Radiotherapy to any site for any reason =\< 14 days prior to randomization

Receiving any medications or substances that are strong or moderate inhibitors of CYP3A4; use of the following strong or moderate inhibitors are prohibited =\< 7 days prior to randomization:

* Strong inhibitors of CYP3A4: indinavir (Crixivan), nelfinavir (Viracept), atazanavir (Reyataz), ritonavir (Norvir), clarithromycin (Biaxin, Biaxin XL), itraconazole (Sporanox), ketoconazole (Nizoral), nefazodone (Serzone), saquinavir (Fortovase, Invirase), telithromycin (Ketek)

* Moderate inhibitors of CYP3A4: aprepitant (Emend), erythromycin (Erythrocin, E.E.S, Ery-Tab, Eryc, EryPed, PCE, fluconazole (Diflucan), grapefruit juice, verapamil (Calan, Calan SR, Covera-HS, Isoptin SR, Verelan, Verelan PM), diltiazem (Cardizem, Cardizem CD, Cardizem LA, Cardizem SR, Cartia XT, Dilacor XR, Diltia XT, Taztia XT, Tiazac)

Receiving any medications or substances that are strong or moderate inducers of CYP3A4; use of the following inducers are prohibited =\< 7 days prior to randomization: efavirenz (Sustiva), nevirapine (Viramune), carbamazepine (Carbatrol, Epitol, Equetro, Tegretol, Tegretol-XR), modafinil (Provigil), phenobarbital (Luminal), phenytoin (Dilantin, Phenytek), pioglitazone (Actos), rifabutin (Mycobutin), rifampin (Rifadin), St. John?s wort

What this study is about